Browse buzzer The variety of buzzers available suitable to get alarm when used in a project. Shop now! Learn and explore overview of buzzer , introduction, types of buzzer , usage of buzzer , working principle with some circuit diagram, applications of buzzer . What is a Buzzer ? An audio signaling device like a beeper or buzzer symbol may be electromechanical or piezoelectric or mechanical type. The main function of this is to convert the signal from audio to sound. Generally, it is powered through DC voltage,then produce sound and used in timers, alarm devices, printers, alarms, computers, etc. Based on the various designs, it can generate different sounds like alarm, music, bell & siren.The sound pressure level is a crucial parameter for the ... Discover and share the Buzzer sound effect on Myinstants.